Portable hay-loading derrick.



no. 7os,|99.. Paiented Sept. 2, I902. 1 E. BRUST.

PORTABLE HAY LOADING DERRICK! (Application flleql Mar, 27, 1902.) (No Model.)

UNITED ST TES PATENT OFFICE;

EDWARD BRUS'I, OF DAVISVILLE, CALIFORNIA.

PORTABLE HAY-LOADING DERRICK.

SPECIFICATION forming part of Letters Patent N 0, 708,199, dated September 2, 1902. Application filed March 27,1902. Serial No. 100,155. (No model.)

To allwhom, it may concern:

Be it known that I, EDWARD BRUST, a citizen of the Unitedv States, residing at Davis ville, county of Yolo, State of California, have invented an Improvement in Portable Hay- Loading Derricks; and I hereby declare the following to be a full, clear, and exaot'description of the same.

My invention relates to improvements in portable cranes or derricks which are intended for use in con neotion with loading or stacking hay and the like. Its object is to provide a compact, rigid,economically-constructed device which is adapted to be moved readilyfrom place to'place in the field, requires no side stays or guys to steady it, and which when placed in proper position will pick up a load at any desired point and automatically swing the load to the point of discharge.

It consists of a wheeled frame or base, a pillar or mast pivotally supported thereon, trapezoidal supports upon said base and carrying at their upper convergent ends oppositely-disposed journal-blocks in which the mast is turnable, a vertical truss-rod connecting said blocks and the wheeled frame,whereby the structure is rigidly united, a jib or arm supported intermediate of its ends upon the mast, sheaves on either end of said arm, a fall-rope rove through said sheaves, and direction-sheaves upon the base-frame, around one or the other of which said rope is adapted to pass.

It also comprises details which will be more fully set forth hereinafter, having reference to the accompanying drawings, in which Figure l is a side elevation ofmyinvention. Fig. 2 is a plan. Fig. 3-is a plan of the upper journal-block. Fig. 4 is a plan of the lower journal-block. Fig. 5 is a portion of a view of mast at journal-point.

A represents an A-frame supported at its outer ends on the axle 2 and its forward end of apex portion on the reach 3. The rear end of the reach is attached to the lower side of the axle, and the A-frame at its forward end is so supported above the reach that the frame will be substantially horizontal when the apparatus has been placed on wheels. The axle 2 is of such length that the hind wheels are separated sufficiently so-as to offer 'a solid foundation for the apparatus when a load is being lifted and transported by the derrick. The forward end of the reach is adapted to be attached to the front axle of an ordinary farm-wagon. The hind wheels of the same wagon may be used in connection with the axle 2, so that no especial running-gear further than that described is necessary.

4 is a pillar or mast stepped on' the reach at 5 and supported in a vertical position by means of the convergent trapezoidal frame 6 6. The base of each of these frames rests transversely upon the A-frame and at their other well-known or appropriate means,(not

shown,) and a truss-rod 9 passes through both blocks, extends downwardly substantially parallel with the mast, and passes through the reach, and is tightened by suitable nuts 10. By means of this single rod the whole structure is rigidly united, and no' extraneous guys or stays are neededto support the derrick. The apparatus is thus always set up. It can be moved to any part of the field and is ready for use at any time or in any place or position.

A jib or arm 11 is suitably fastened intermediate of its ends to the mast and carries sheaves 12 and 13 at' either end, through which the fall-rope 14 passes. Suitable gripping and conveying means, as a derrick-fork, is carried at the outer end of'the fall-line. From the pulley 13 on the shorter end ofthe jib the fall-lifle passes downward through a block 15, which is secured to the base-frame in such manner that it can be shifted transversely thereon. In the present instance I have shown eyebolts 16, disposed at difierent points about the mast and approximately distant therefrom a space equal to that between the overhead pulley 13 and the mast. The block 15 can be hooked into either of these eyebolts, according as it is desired to deposit thel'oad directly in. rear of the ap paratus or to one side. For example, in operation the apparatus is backed up to a stack and it is desired, say, to load from a ICO 2 'ros,199

wagon at one side onto the stack. The block 15 is attached to the eyebolt which is in the plane of the reach, or, in other words, to that bolt which is in line with the mast 5 and the point of discharge. The jib is swung to one side and the fork engaged. Power is then applied to lift the loaded fork, whereupon the mast turns of its own accord to bring the arm, with its suspended load, into the same plane with the mast and eyebolt. In case it is desired to load from the stack onto the wagon the block is shifted to the eyebolt which is on the side opposite to the point of discharge, and the same principle will be 15 again applied. By supporting the arm intermediate of its ends on the mast and directing the fall-rope in the manner shown the strain is equalized to a great extent on the mast and arm.

Having thus described my invention, what I claim, and desire to secure by Letters Patent, is t 1. The combination in a portable derrick of a horizontal A-frame, trapezoidal frames disposed transversely of said frame, divided blocks upon the upper ends of said lastnamed frames, a journaled mast embraced by said blocks, and having an arm rigid with it, a truss-rod extending through said blocks,

and a lower fixed support for said rod.

2. The combination in a portable hay-derrick of a horizontal A-frame, a pillar or mast pivotally supportedin relation' thereto, trapezoidal frames extending transversely of said A-frame, oppositely-disposed journal blocks in which the mast is turnable carried on the upper convergent ends of said trapezoidal frames, a vertical truss-rod connecting said blocks and the base of the apparatus whereby the structure is rigidly united, and a jib or 40 arm secured to and turnable with said mast.

3. The combination in a portable hay-derrick, of a base-frame mounted on wheels, said frame having the rear axle rigid therewith and its forward end adapted to be attached to the front axle of an ordinary wagon,

a ma'st, trapezoidal frames carried upon the base-frame and supporting said mast, a trussrod passing vertically between the latter frames, having one end connected therewith and the other end fixed to the base, means for tightening said rod, and an arm secured intermediate of its ends to and turnable with the mast.

In witness whereof I have hereunto set my hand.

.EDWARD BRUST.

Witnesses:

FRANK DICKINSON, II. H. SMITH. 

